package exp5;

import java.util.Scanner;

public class MyDCTester  {

  public static void main (String[] args) {

    String expression, again;

    int result;

     try
     {
       Scanner in = new Scanner(System.in);

       do
       {
         MyDC evaluator = new MyDC();
         System.out.println ("Enter a valid postfix expression: ");
         expression = in.nextLine();

         result = evaluator.evaluate (expression);
         System.out.println();
         System.out.println ("That expression equals " + result);

         System.out.print ("Evaluate another expression [Y/N]? ");
         again = in.nextLine();
         System.out.println();
       }
       while (again.equalsIgnoreCase("y"));
     }
     catch (Exception IOException)
     {
       System.out.println("Input exception reported");
     }
   }
 }
